In the background, unrecognizable builder working in an orange vest and helmet.Professional people at work. Chef Man and woman in a black coat on a construction site to read blueprints. Construction in winter. Panorama of the city. 0:54

Reinforcement bars on the ground in focus, workers installing armature on the building foundation in the blurred background, conceptual scene of construction site, low angle view, shallow depth of field, close up.0:28

Reinforcement bars in the blurred foreground, group of workers installing armatures on the concreted building foundation at construction site, laborers measuring rods length and transferred on the base, sunny day.0:32